Are there effective clinical scoring systems for predicting the results of subsequent lab tests for group A streptococcal (GAS) infections?

Updated: Sep 07, 2018
  • Author: Zartash Zafar Khan, MD, FACP; Chief Editor: Pranatharthi Haran Chandrasekar, MBBS, MD  more...
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Answer

Various clinical scoring systems have been devised to attempt to predict the results of subsequent throat cultures or antigen detection tests. At best, however, these scoring systems have no more than an 80% predictive value. Therefore, even the most experienced clinician should rely on bacteriologic confirmation of the diagnosis.


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